Recall from Example 1 that whenever Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing two red marbles, four green ones, two white ones, and one purple one. She grabs six of them. Find the probability of the following event, expressing it as a fraction in lowest terms. HINT [See Example 1.]
She does not have all the red ones.
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Hope you understand the solution.
It has 2 red marbles.
So , to calculate the probability of doesn't having all red ones = probability of having NO red at all + probability of having 1 red
Answer :- 7/12
Thanks.
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